var-201901-1642
Vulnerability from variot
LibVNC through 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-2018-15127 was incomplete. LibVNC Contains an out-of-bounds vulnerability.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. LibVNCServer is prone to multiple heap-based buffer overflow vulnerabilities. Attackers can exploit these issues to execute arbitrary code within the context of the application. Failed exploit attempts will likely cause a denial-of-service condition. Versions prior to LibVNCServer 0.9.12 are vulnerable. Note: This issue is the result of an incomplete fix for issue CVE-2018-15127 described in 106820 (LibVNCServer CVE-2018-15127 Heap Buffer Overflow Vulnerability). ========================================================================= Ubuntu Security Notice USN-4587-1 October 20, 2020
italc vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
Summary:
Several security issues were fixed in iTALC.
Software Description: - italc: didact tool which allows teachers to view and control computer labs
Details:
Nicolas Ruff discovered that iTALC had buffer overflows, divide-by-zero errors and didn't check malloc return values. (CVE-2018-15127, CVE-2018-20019, CVE-2018-20020, CVE-2018-20021, CVE-2018-20022, CVE-2018-20023, CVE-2018-20024, CVE-2018-20748, CVE-2018-20749, CVE-2018-20750, CVE-2018-7225, CVE-2019-15681)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04 LTS: italc-client 1:2.0.2+dfsg1-4ubuntu0.1 italc-master 1:2.0.2+dfsg1-4ubuntu0.1 libitalccore 1:2.0.2+dfsg1-4ubuntu0.1
In general, a standard system update will make all the necessary changes.
References: https://usn.ubuntu.com/4587-1 CVE-2014-6051, CVE-2014-6052, CVE-2014-6053, CVE-2014-6054, CVE-2014-6055, CVE-2016-9941, CVE-2016-9942, CVE-2018-15127, CVE-2018-20019, CVE-2018-20020, CVE-2018-20021, CVE-2018-20022, CVE-2018-20023, CVE-2018-20024, CVE-2018-20748, CVE-2018-20749, CVE-2018-20750, CVE-2018-7225, CVE-2019-15681
Package Information: https://launchpad.net/ubuntu/+source/italc/1:2.0.2+dfsg1-4ubuntu0.1
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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